10142120212 has 24 divisors (see below), whose sum is σ = 20287298304. Its totient is φ = 4345967712.

The previous prime is 10142120203. The next prime is 10142120231. The reversal of 10142120212 is 21202124101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192918 + ... + 239794.

It is an arithmetic number, because the mean of its divisors is an integer number (845304096).

Almost surely, 2^10142120212 is an apocalyptic number.

It is an amenable number.

10142120212 is an abundant number, since it is smaller than the sum of its proper divisors (10145178092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10142120212 is a wasteful number, since it uses less digits than its factorization.

10142120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54615 (or 54613 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10142120212 its reverse (21202124101), we get a palindrome (31344244313).

The spelling of 10142120212 in words is "ten billion, one hundred forty-two million, one hundred twenty thousand, two hundred twelve".